dupliframe alternative for 2.8
From this base figure:



We can place a Bezier curve:



And add a screw modifier to it (360 degrees with 3 steps):



And add an empty as pivot point for the modifier, then move it up until triangles are aligned:



You can play with the curve resolution to vary the amount of triangles.



To render it after that (did not pay attention to the edit mode above):

Convert the result to a mesh and add a wireframe modifier with a low thickness: